:root {
  --cedar: #2f5d50;
  --cedar-deep: #1e3d35;
  --ink: #1a1c19;
  --muted: #5c635c;
  --line: #e4e6e1;
  --bg: #fbfaf6;
  --soft: #f0efe8;
  --card: #ffffff;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--cedar); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 24px; }

header.site {
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
  background: var(--card);
}
header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
header.site .brand {
  font-weight: 650;
  letter-spacing: -0.02em;
  color: var(--cedar-deep);
}
header.site .brand:hover { text-decoration: none; }
.nav { display: flex; gap: 16px; font-size: 14px; }
.nav a { color: var(--muted); }
.nav a:hover { color: var(--cedar); }

.hero {
  text-align: center;
  padding: 56px 0 36px;
}
.hero .kicker {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cedar);
}
.hero h1 {
  font-size: 40px;
  margin: 0 0 10px;
  letter-spacing: -0.03em;
  color: var(--cedar-deep);
}
.hero .tagline {
  font-size: 18px;
  color: var(--muted);
  margin: 0 auto;
  max-width: 36ch;
}
section {
  padding: 28px 0;
  border-top: 1px solid var(--line);
}
section h2 {
  font-size: 20px;
  letter-spacing: -0.01em;
  margin: 0 0 4px;
}
.shelf { margin: 0 0 34px; }
.shelf:last-child { margin-bottom: 6px; }
.shelf .byline {
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 14px;
}

.books {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
  gap: 18px;
}
.bookcard { display: block; color: var(--ink); }
.bookcard:hover { text-decoration: none; }
.bookcard img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  border-radius: 10px;
  background: var(--soft);
  border: 1px solid var(--line);
  box-shadow: 0 6px 18px rgba(30, 61, 53, .08);
}
.bookcard:hover img {
  box-shadow: 0 10px 24px rgba(30, 61, 53, .14);
}
.bookcard strong {
  display: block;
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.35;
}
.bookcard span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-top: 2px;
}

.about p { color: var(--muted); margin: 0 0 12px; max-width: 52ch; }
.about p:last-child { margin-bottom: 0; }

.legal h1 {
  font-size: 30px;
  letter-spacing: -0.02em;
  margin: 40px 0 8px;
  color: var(--cedar-deep);
}
.legal .updated { color: var(--muted); margin: 0 0 24px; }
.legal h2 { font-size: 18px; margin: 28px 0 8px; }
.legal p, .legal li { color: var(--muted); }
.legal ul { padding-left: 20px; }
.legal li { margin: 8px 0; }

footer.site {
  border-top: 1px solid var(--line);
  padding: 28px 0 48px;
  margin-top: 24px;
  color: var(--muted);
  font-size: 14px;
}
footer.site .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  align-items: center;
}
footer.site a { color: var(--muted); }

@media (prefers-color-scheme: dark) {
  :root {
    --cedar: #7eb8a4;
    --cedar-deep: #d5e8df;
    --ink: #f0f2ef;
    --muted: #9aa399;
    --line: #2a2f2b;
    --bg: #0f1210;
    --soft: #171b18;
    --card: #141814;
  }
  .bookcard img { box-shadow: none; }
}